A perplexed individual took to Reddit after repeatedly finding mysterious greasy marks on their freshly washed clothes, sharing an image of a purple hoodie marred by such stains and asking for advice: “They’re not there before I put them in the wash. They’re not grease stains because I tried getting them out with Dawn [dish soap] but it doesn’t work. I use Persil detergent. I make sure I don’t use too much too. [I don’t know] why my clothes are getting ruined.”

The post resonated with many,…